curl --location 'https://api.arsel.ai/api/v1/contact-lists//import-subscribers' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '[
{
"email": "user@example.com",
"first_name": "string",
"last_name": "string"
}
]'{
"message": "string"
}